Product Description
5/8" x 20', Caulk Backer Rod, For Gaps & Joints, Non-Absorbant, Closed Cell Polyethylene, Pre-Caulking Material, Use Before Caulking To Fill Gaps & Openings Larger Than 1/2" x 1/2", Prevents 3 Point Bonding.
- Provides a sound surface for caulking projects
- Fills large gaps and openings to prevent drafts
- Recommended for use in expansion joints in driveways and sidewalks
- Twist multiple strands of cord together for extra large gaps; easily trimmed to size with scissors
- 5/8-inches by 20 feet